Pneumatic dispatch tube system



()ct. 27, 1931. J- soETZEL 1,828,787

PNBUMATG DSPATCH TUBE SYSTEM Filed 1925 3 SheetsSheet 1 ing the Secondry portion of the casing into tvvo chInberS, aurtition dividin one of Sid cl1anlberS froIn the S ace in the Inin caS ing Which OlT1InuniCateS With the tI'anSlT1iS- Sion tube, a rod assin throu h an O enin 3 in the partition and connecting the Inain valve t() Said vv11, and a chnne1 Tovidin foI the aSSage of ir ffOIn one side of the TitiOn tO the OtheI'.

JOSBPH J. STOETZEL. 

